Mercury Mariner Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Mercury Mariner

Repair Estimates

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Mercury Mariner
$336 to $637
Mercury Mariner
$226 to $1,634
Mercury Mariner
$451 to $742
Mercury Mariner
$180 to $575
Mercury Mariner
$152 to $277

Related Content

Looseness in the steering shaft and steering shaft coupling U-joint can cause a knocking / popping noise from the steering column when turning. The steering shaft and coupling U-joint will need to be replaced.

If the transmission oil leaks out of left side half shaft area, it may be from a worn axle shaft seal. The seal can be damaged by a poor surface finish on the axle shaft. The axle shaft and seal should be replaced to correct the problem.

The transmission oil cooler may develop a leak, which will require replacement to repair.

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My key was bent and would only start the vehicle if it was inserted into the ignition with the bent part facing up. I drove the vehicle like this for the last couple of years with now problems, except that no one else could seem to get it to start, but me. Recently, the vehicle would sporadical...

See More Questions 146

For a vehicle that has had a remanufactured Ford automatic transmission installed, the shift lever bolt may be loose, allowing disengagement of the shift lever from the transmission. Dealers will inspect the transmission and either tighten the shift lever bolt or replace the shift lever assembly free of charge to resolve the concern.

The coolant pump for the hybrid system may fail, resulting in the hybrid system shutting down, and the vehicle losing power. Dealers will inspect and replace the original motor electronics coolant pump free of charge to correct the concern.

Due to a software issue that affects operation of the torque sensor, the electric power steering may stop functioning. This would make it difficult to steer the vehicle. Dealers will reprogram the power steering control module and instrument cluster module free of charge to resolve the concern. Dealers will also replace affected electric steering components as necessary upon inspection free of charge.

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Bought my 2007 Mercury Mariner LX V6 4WD, used in 2009, with 24,000 miles. For the first year, I believed I had made a good purchase, however having to replace brakes (pads and rotors turned) at 30,000 miles. I didn't give this a second thought as the brakes may have never before been serviced. Then at 37,000 miles I had to replace them again. At 44,000 I had to replace the rotors, as well....


I have about 140,000 miles on my car. This has been a great investment. The only problem I am having now are; the oxgyen sensors are bad. I am having a hard time trying to replace it. This has been an excellent buy. I am very happy I purchased this car.

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